Arrhenius

Arrhenius may refer to:


 * Birgit Arrhenius (born 1932), Swedish archaeologist
 * Carl Axel Arrhenius (1757–1824), Swedish army lieutenant and amateur mineralogist who discovered ytterbite, a mineral that led to the discovery of yttrium by Johan Gadolin
 * Niklas Arrhenius (born 1982), Swedish discus thrower
 * Svante Arrhenius (1859–1927), Swedish physical chemist and 1903 Nobel laureate
 * Arrhenius definition, Svante Arrhenius definition of acids and bases
 * Arrhenius equation, Svante Arrhenius formula for modeling the temperature dependence of reaction rate constants
 * Arrhenius plot
 * Arrhenius (lunar crater), named for Svante Arrhenius
 * 5697 Arrhenius, main-belt asteroid, named for Svante Arrhenius
 * Arrhenius (Martian crater), named for Svante Arrhenius


 * Olof Arrhenius (1895–1977), Swedish plant physiologist